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BioReagent 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
纤维蛋白肽B(FPB)是短的氨基酸序列,位于纤维蛋白原B的N端。纤维蛋白肽B是一个具有焦谷氨酸化的N端修饰肽,它是由凝血酶催化裂解纤维蛋白原的N端β链而产生的。凝血酶从纤维蛋白I亚基的β链中释放出纤维蛋白肽B(FPB),形成纤维蛋白II聚合物,这些聚合物结合并交联形成一个半固体网络,而纤维蛋白肽仍然可溶于血浆。FPB在纤维蛋白原的凝固过程中产生,可引起中性粒细胞的趋化性迁移。 本试剂盒采用竞争法酶联免疫吸附试验(ELISA)。往预先包被有人纤维蛋白肽B(FPB)抗原的微孔中,依次加入样本、标准品、Biotin标记的抗体,HRP酶结合物,中间经过温育和洗涤,用底物TMB显色,TMB在过氧化物酶(HRP)的催化下转化成蓝色,并在酸的作用下转化成最终的黄色。颜色的深浅和样本中的人纤维蛋白肽B(FPB)呈负相关。用酶标仪在450nm波长下测定吸光度(OD值),计算样本浓度。
This kit employs the competitive enzyme-linked immunosorbent assay (ELISA) principle. Microplate wells are pre-coated with Human FPB antigen. The sample, standards, a biotin-labeled antibody, and an HRP enzyme conjugate are then added sequentially to the wells. The procedure includes incubation and wash steps between each addition. TMB substrate is used for color development. In the presence of the peroxidase (HRP) enzyme, TMB is catalyzed to produce a blue color, which is then converted into a final stable yellow color upon the addition of an acid stop solution. The intensity of the resulting yellow color is inversely proportional to the concentration of Human FPB in the sample. The optical density (OD) is measured at a wavelength of 450 nm using a microplate reader, and the concentration of the target analyte in the sample is calculated based on the standard curve.